docs: def cli(env, columns, sortby, volume_id):
      """List suitable replication datacenters for the given volume."""
      file_storage_manager = SoftLayer.FileStorageManager(env.client)
  
      legal_centers = file_storage_manager.get_replication_locations(
          volume_id
      )
  
      if not legal_centers:
          click.echo("No data centers compatible for replication.")
      else:
          table = formatting.KeyValueTable(columns.columns)
          table.sortby = sortby
          for legal_center in legal_centers:
              table.add_row([value or formatting.blank()
                             for value in columns.row(legal_center)])
  
          env.fout(table)